package com.san.school.service;

import java.util.List;
import com.san.school.entity.StudentExample;
import com.san.school.entity.Student;

/**
 * ClassName:StudentService
 * PackageName:com.san.service
 * Description:
 *
 * @Author:yy
 * @CreatedAt:2024/11/6 17:07
 * 
 */
 
 
public interface StudentService{


    long countByExample(StudentExample example);

    int deleteByExample(StudentExample example);

    int deleteByPrimaryKey(Integer sid);

    int insert(Student record);

    int insertSelective(Student record);

    List<Student> selectByExample(StudentExample example);

    Student selectByPrimaryKey(Integer sid);

    int updateByExampleSelective(Student record,StudentExample example);

    int updateByExample(Student record,StudentExample example);

    int updateByPrimaryKeySelective(Student record);

    int updateByPrimaryKey(Student record);

}
